A387 Grade 22 Class 2 Steel Plate

A387 Grade 22 Steel used in a Powerplant 250 x 375

A387 Grade 22 Steel used in a Power plant

A387 Grade 22 Class 2 is a standard chrome moly steel plate according to ASME/ASTM standard A387/A387M. It is used in a wide variety of applications where the boiler, heat exchanger or pressure vessel will be at high temperatures.

A387 Grade 22 plates come in thicknesses of between 8 and 40mm and in standard plates sizes of 2m x 12m and 3m x 12m

The plates are mainly rolled in Germany and Austria, with Salzgitter being a typical mill , and come with an MTC to EN10204 3.1

We only offer A387 G2 22 to Class 2 as these have improved physical properties over class 1 plates

A387 Grade 22 Plates Ex-Stock

  • Thickness: 8 – 40 mm
  • Width: Up to 3 metres wide
  • Length: Up to 12 metres long
  • Certification: EN 10204 3.1

European customers can purchase  ASTM A387 Gr 22 from AncoferWaldram or order new rolling directly from Dillinger Hutte. You can purchase a copy of ASTM A387A387M-11 from here

ASTM A387 Grade 22 Pressure Vessel Steel Chemical Composition

Steel GradeCC (Min)SiSi (Min)MnMn (Min)PSCrCr (Min)MoMo (Min)
This table provides the main features of the chemical composition of different grades of A387 boiler plate steel as required by ASTM/ASME A387. It is not complete as we have not included many of the minor use cases. These may have a major impact in your application so please use this for reference purposes only and refer to your original and up to date copy of the relevant standard
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